CN102176797A - Merged illumination and emergent light-emitting diode (LED) fluorescent lamp - Google Patents
Merged illumination and emergent light-emitting diode (LED) fluorescent lamp Download PDFInfo
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- CN102176797A CN102176797A CN2010105886203A CN201010588620A CN102176797A CN 102176797 A CN102176797 A CN 102176797A CN 2010105886203 A CN2010105886203 A CN 2010105886203A CN 201010588620 A CN201010588620 A CN 201010588620A CN 102176797 A CN102176797 A CN 102176797A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention discloses a merged illumination and emergent light-emitting diode (LED) fluorescent lamp, which is characterized by comprising a power supply circuit, a charging and emergent illumination circuit, a light isolating switch circuit, an LED lamp circuit, and a battery pack, wherein, the output end of the power source circuit is electrically connected with the input end of the charging and emergent illumination circuit and the control input end of the light isolating switch circuit respectively; the merging end of the charging and emergent illumination circuit is electrically connected with the battery pack; the output end of the charging and emergent illumination circuit is electrically connected with the input end of the LED lamp circuit; and the control output end of the light isolating switch circuit is electrically connected with the input end of the LED lamp circuit. By the LED fluorescent lamp, the normally used illumination LED fluorescent lamp has an emergent function and stable and reliable performance, saves the energy, and has low manufacturing cost, a wide application range, and extremely simple installation steps and technical requirements, and can be used for various places, such as offices and the like.
Description
Technical field
What the present invention relates to is a kind of LED fluorescent lamp, is specifically related to a kind of LED fluorescent lamp that normal lighting uses that is used for.
Background technology
LED fluorescent lamp of the prior art begins to become more and more popular in recent years, and these LED fluorescent lamps generally have only illumination functions and do not have emergency function.
Conventional illuminating lamp and emergency light are from different technical fields, and purposes also has nothing in common with each other.Usually, emergency light is installed between the public hall, walkway, ladder etc. mostly, seldom installs and uses between office space, conference hall, bathroom, makeup etc.And conventional illuminating lamp does not possess emergency function, so if bedroom, bathroom etc. once have have a power failure or other unexpected generation, just do not have emergency light source, thereby increased the difficulty at people's safe escape scene.
In addition, with regard to emergency light, most incandescent light source emergency light in market and led light source emergency light now, the following problem of this two classes emergency light ubiquity:
1, volume is excessive, heavy;
2, process structure is coarse, and its shape can not be coordinated with electric product commonly used and cooperate, and needs independent the installation, the independent use.
3, internal circuit function imperfection lacks necessary protection facility, and the damage of internal fault rate height, particularly battery accounts for very big ratio in effective service time.Two kinds have been traced it to its cause: first, learn from numerous commercially available emergency lights dissections, it goes up the simple buck charging circuit of employing its charging circuit, charging current is subjected to the fluctuation of civil power and very big variation is arranged, particularly in a single day emergency light comes into operation, will insert for a long time in the mains supply, battery is in long-term charged state.In general, battery only needs about 8-16 hour from initial charge to full charging, will stop charging in case reach fully charged state, otherwise battery will damage because of overcharging.The emergency light of selling on the market does not stop the function of charging, no matter whether battery is full of, is in the soaking state always, the result, and battery is because of overcharging very fast damage.The second, when emergency light was in emergency rating, incandescent lamp or LED lamp were just from the battery current drawn, and battery is in discharge condition.When consuming extremely down, the energy content of battery prescribes a time limit, just necessary termination circuit work, and battery just can not damage because of overdischarge like this.Commercially available emergency light when therefore working, often occurs the state of under-voltage operation owing to there is not under-voltage protecting circuit under emergency rating, even till the energy content of battery is exhausted.Battery also damages because of overdischarge like this.Make the battery of emergency light reach normal useful life, perfect charge and discharge protection circuit must be arranged.That is to say that the cost that needs to increase circuit could satisfy performance requirement.The charger of specialty; perfect additives for overcharge protection circuit is arranged; and charging current is determined in strict accordance with the profit and loss state (or curve) of battery; be not subjected to the civil power influence of fluctuations; but circuit structure complexity; the cost height is transferred on the emergency light if directly move, and then product causes the unreasonable competitiveness that loses market of cost performance because of too high cost.And being set, under-voltage protection has the problems referred to above equally.
4, use occasion is narrower, and the harmony of product appearance and environment is relatively poor.
5, in conventional light source, the new LED illuminating lamp adopts many lamps series system mostly now, in case wherein a certain lamp damages, will cause same group of lamp all to extinguish, and overall reliability is not high, troublesome maintenance.
Summary of the invention
The technical issues that need to address of the present invention provide combination type illumination and emergency LED fluorescent lamp, and this kind LED fluorescent lamp is stable and reliable for performance, and is energy-efficient, and low cost of manufacture, applied range.
Technical solution problem of the present invention is taked following technical scheme:
Combination type illumination and emergency LED fluorescent lamp is characterized in that: comprise power circuit, charging and emergency lighting circuit, light isolating switch circuit, LED circuit for lamp, battery pack; The output of power circuit is electrically connected with the input of charging and emergency lighting circuit, the control input end of light isolating switch circuit respectively, and the function merging end of charging and emergency lighting circuit is electrically connected with battery pack; The output of charging and emergency lighting circuit is electrically connected with the input of LED circuit for lamp; The control output end of light isolating switch circuit is electrically connected with the input of LED circuit for lamp; Charging and emergency lighting circuit are given batteries charging, and detect civil power and whether electricity is arranged and control battery pack and carry out emergency service whether for the LED circuit for lamp, whether whether mains supply is detected in the test side of light isolating switch circuit has electricity and controls and carry out illuminalive power-supply for the LED circuit for lamp.
The present invention deals with problems and can also further take following corrective measure:
The power input of described power circuit connects civil power, and light isolating switch electric circuit inspection end is electrically connected with the city by switch.
Described smooth isolating switch circuit is by reduction voltage circuit, Light Coupled Device, Drive and Control Circuit is formed, the input of reduction voltage circuit is electrically connected with civil power as the test side of light isolating switch circuit, the output of reduction voltage circuit is electrically connected with the input of Light Coupled Device luminous tube, luminous tube and photosensitive tube in the Light Coupled Device are coupled as photosignal, while is as the electrical isolation of signal deteching circuit and Drive and Control Circuit, the photosensitive tube output of Light Coupled Device is electrically connected with the input of Drive and Control Circuit, and the output of Drive and Control Circuit is as the control output of isolating switch circuit.
Zero line input in the input of described reduction voltage circuit is electrically connected with the civil power zero line, and perhaps the zero line input in the input of reduction voltage circuit is electrically connected with the civil power zero line input of power circuit; Live wire input in the input of reduction voltage circuit is connected with the civil power live wire by switch.
Described smooth isolating switch circuit is by resistance R 103, resistance R 104, resistance R 105, resistance R 106, resistance R 107, resistance R 108, resistance R 109, resistance R 110, rectifier bridge BT101, diode D101, voltage stabilizing didoe DZ101, Light Coupled Device U101, and triode Q101, triode Q102, triode Q103 constitute; The positive pole of the output of rectifier bridge BT101 is by the anode of the luminous tube of resistance R 110 electrical connection Light Coupled Device U101, and the negative pole of output end of rectifier bridge BT101 connects the negative terminal of the luminous tube of Light Coupled Device U101; The positive pole of voltage stabilizing didoe DZ101 connects the output head anode of rectifier bridge BT101, and the negative pole of voltage stabilizing didoe DZ101 connects the negative pole of output end of rectifier bridge BT101, and capacitor C 102 is connected in parallel with voltage stabilizing didoe DZ101; One end of capacitor C 103, resistance R 103 is electrically connected with the cold end of resistance R 110 respectively, the negative pole of output end of another termination rectifier bridge BT101 of capacitor C 103, resistance R 103; The emitter of the photosensitive tube of Light Coupled Device U101 is electrically connected with the base stage of triode Q103, and the base stage of triode Q103 is by resistance R 105 ground connection, the grounded emitter of triode Q103; The base stage of triode Q102 is connected to the collector electrode of triode Q103 by resistance R 109, and the emitter of triode Q102 is electrically connected by resistance R 108 with base stage; The base stage of triode Q101 is connected to the collector electrode of triode Q103 by resistance R 107, the emitter of triode Q101 is electrically connected by resistance R 106 with base stage, the emitter of triode Q101 is electrically connected with the emitter of triode Q102, and be electrically connected with an output of power circuit, the emitter of triode Q101 is electrically connected with the photosensitive tube collector electrode of Light Coupled Device U101 by resistance R 104, triode Q101 collector electrode, be electrically connected with the collector electrode of triode Q102, and be connected with the negative electricity of diode D101, wherein the emitter of triode Q101 and Q102 is as the control input end of light isolating switch circuit, and the positive pole of diode D101 is as the control output end of light isolating switch circuit.
The live wire input of described its power supply of rectifier bridge BT101 is directly connected with switch by capacitor C 101; Perhaps, the live wire input of described its power supply of rectifier bridge BT101 is connected with switch by resistance R 102, capacitor C 101, connects the civil power live wire, bleeder resistance R101 and C101 two parallel connections.
The zero line of described its power supply of rectifier bridge BT101 is imported termination civil power zero line, or connects the zero line input of power circuit.
Described power circuit is a switching power circuit, switch power supply route resistance R 201, resistance R 202, resistance R 203, resistance R 204, resistance R 205, resistance R 206, resistance R 207, resistance R 208, resistance R 209, resistance R 210, capacitor C 203, capacitor C 204, capacitor C 205, capacitor C 206, capacitor C 207, capacitor C 208, capacitor C 209, diode D201, diode D202, diode D203, diode D204, rectifier bridge BT201, triode Q201, triode Q202, metal-oxide-semiconductor field effect transistor Q203, Light Coupled Device U201, voltage reference device U202, switch energy storage transformer B201 constitutes; Be connected to capacitor C 203 between the output head anode of rectifier bridge BT201 and negative pole of output end; The output head anode of rectifier bridge BT201 connects the positive pole of diode D201 by resistance R 207, capacitor C 205 is connected in parallel with resistance R 207, the output head anode of rectifier bridge BT201 connects an end of the input coil of switch energy storage transformer B201, and the positive pole of diode D201 connects the other end of this input coil; The output head anode of rectifier bridge BT201 connects the emitter of triode Q201 by resistance R 201, be electrically connected by resistance R 202 between the base stage of triode Q201 and emitter, the collector electrode of triode Q201 is electrically connected with the base stage of triode Q202, the collector electrode of triode Q202 is electrically connected with the base stage of triode Q201, and the emitter of triode Q202 connects the negative pole of output end of rectifier bridge BT201; The emitter of triode Q201 connects the negative pole of output end of BT201 by resistance R 204, the emitter of triode Q201 connects the grid of metal-oxide-semiconductor field effect transistor Q203, the drain electrode of metal-oxide-semiconductor field effect transistor Q203 connects the negative pole of diode D201, the source electrode of metal-oxide-semiconductor field effect transistor Q203 connects the negative pole of output end of BT201 by resistance R 206, and the source electrode of metal-oxide-semiconductor field effect transistor Q203 connects the base stage of triode Q202 by resistance R 205; The emitter of triode Q201 connects a pin of capacitor C 204 by resistance R 203, another pin of capacitor C 04 connects the positive pole of diode D202, the negative pole of diode D202 connects the negative pole of output end of BT201, the positive pole of diode D202 connects an end of second output winding of switch energy storage transformer B201, the other end of this second output winding connects the collector electrode of Light Coupled Device U201 photosensitive tube, be electrically connected with capacitor C 206 between the negative pole of output end of Light Coupled Device U201 collector electrode and BT201, the emitter of the photosensitive tube of Light Coupled Device U201 is electrically connected with the base stage of triode Q202; One end of the 3rd output winding of switch energy storage transformer B201 connects the negative pole of diode D203, and the other end ground connection of the 3rd output winding is electrically connected by capacitor C 208 between the other end of the positive pole of diode D203 and the 3rd output winding; One end of the 4th output winding of switch energy storage transformer B201 connects the negative pole of diode D204, the other end of the 4th output winding is connected with the positive pole of diode D203, and the positive pole of diode D204 is electrically connected by capacitor C 209 with the positive interpolar of diode D203; The positive pole of diode D203 is received the anode of the luminous tube of Light Coupled Device U201 by resistance R 208, the positive pole of diode D203 is connected to the sampling end of voltage reference device U202 by resistance R 209, be electrically connected with capacitor C 207 between the sampling end of the control end of voltage reference device U202 and voltage reference device U202, the sampling end of voltage reference device U202 is by resistance R 210 ground connection, the earth terminal ground connection of voltage reference device U202, the control end of voltage reference device U202 is electrically connected with the negative terminal of the luminous tube of Light Coupled Device U201.
Described charging and emergency lighting circuit are that multifunctional control circuit is by resistance R 301, resistance R 302, resistance R 303, resistance R 304, resistance R 305, resistance R 306, resistance R 307, resistance R 308, resistance R 309, resistance R 310, resistance R 311, resistance R 312, resistance R 313, resistance R 314, resistance R 315, resistance R 316, resistance R 317, diode D301, diode D302, diode DZ301, and triode Q301, triode Q302, triode Q303, triode Q304, triode Q305, triode Q306, triode Q307, triode Q308 constitutes; Resistance R 301 connects the negative pole of diode D301 by resistance R 302, the series connection point that resistance R 301 and resistance are 302 is electrically connected the emitter of triode Q301, the collector electrode of triode Q301 connects the negative pole of diode D301, join resistance R 303, resistance R 304 ground connection of the emitter of triode Q301 between the emitter of triode Q301 and base stage by connecting by resistance 305; The base stage of triode Q301 connects the collector electrode of triode Q302 by resistance R 306, the grounded emitter of triode, the collector electrode of triode Q301 connects the base stage of triode Q302 by resistance R 307, the base stage of triode Q302 connects the collector electrode of triode Q303, the grounded emitter of triode Q303, the base stage of triode Q303 is by resistance R 309 ground connection, the base stage of triode Q303 connects the positive pole of diode D302 by resistance R 308, the negative pole of diode D302 links to each other with the negative pole of diode DZ301, and the positive pole of diode DZ301 links to each other with the positive pole of diode D301; Resistance R 303 links to each other with the base stage of triode Q304 with series connection point between the resistance R 304, the grounded emitter of triode Q304, the collector electrode of triode Q304 connects the negative pole of diode D302 by resistance R 310, the collector electrode of triode Q304 is by resistance R 311 ground connection, the base stage of the collector connecting transistor Q305 of triode Q304, the emitter of triode Q305 is by resistance R 313 ground connection, and the emitter of triode Q305 is connected with the base stage of triode Q306, the grounded emitter of triode Q306; The collector electrode of triode Q305 is connected with the emitter of triode Q307 by resistance R 312, the emitter of triode Q307 connects the base stage of triode Q307 by resistance R 314, the base stage of triode Q307 is connected with the collector electrode of triode Q306 by resistance R 315, the emitter of triode Q307 links to each other with the emitter of triode Q308, the emitter of triode Q308 is by the base stage of resistance R 316 connection triode Q308, and the base stage of triode Q308 connects the collector electrode of triode Q306 by resistance R 317; The emitter of the positive pole of diode D301 and triode Q307 and Q308 joins and forms the function merging end and battery joins, the collector electrode of the collector electrode of triode Q307 and triode Q308 joins, and the input that the collector electrode of triode Q307 forms the output of LED circuit for lamp and LED circuit for lamp joins.
Technique scheme has such technique effect:
1, combination type of the present invention throws light on and emergency LED fluorescent lamp, has integrated the performance of modern illumination and emergency light, makes the LED fluorescent lamp of illumination commonly used have emergency function.And the performance of two kinds of lamps that will be at present commercially available is improved.Adopt the LED lamp as light source, adopt Switching Power Supply to do illuminalive power-supply and charging power supply, cut down the consumption of energy greatly, increase the service life.This kind LED fluorescent lamp is stable and reliable for performance, and is energy-efficient, and low cost of manufacture, can be used for various places such as office, applied range.
2, combination type illumination of the present invention and emergency LED fluorescent lamp should be used light isolated controlling technology, adopt three-way connection, a key control method, and installation steps, specification requirement are very simple.
3, combination type illumination of the present invention and emergency LED fluorescent lamp, has intelligent constant current and the trickle charge commutation circuit is charged to rechargeable battery set, when battery charge enters saturation condition, circuit begins to carry out trickle charge by the saturation characteristic of battery, even if long-time charging can not damage battery, guarantee that effectively battery performance in long-term use is constant, thereby guarantee the useful life of emergency light.
4, combination type illumination of the present invention and emergency LED fluorescent lamp; in the emergency lighting process; when reaching under-voltage, battery discharge voltage prescribes a time limit down; circuit is protected immediately; stop the work of all circuit, effectively protected battery to avoid damaging, guarantee that battery performance in effective life is constant; thereby guaranteed long-term operation performance stable of useful life of emergency light and emergency light.
Description of drawings
Fig. 1 is the electrical block diagram of LED fluorescent lamp of the present invention.
Fig. 2 is the electrical block diagram of LED fluorescent lamp embodiment of the present invention.
Fig. 3 is the embodiment element decomposing schematic representation of LED fluorescent lamp of the present invention.
Fig. 4 is the light isolating switch circuit electrical schematic diagram of LED fluorescent lamp embodiment of the present invention.
Fig. 5 is the switching power circuit electrical schematic diagram of LED fluorescent lamp embodiment of the present invention.
Fig. 6 is the multifunctional control circuit electrical schematic diagram of LED fluorescent lamp embodiment of the present invention.
Fig. 7 is the LED circuit for lamp electrical schematic diagram of LED fluorescent lamp embodiment of the present invention.
Fig. 8 meets the connection figure of civil power when being the application of LED fluorescent lamp embodiment of the present invention.
Fig. 9 is the structure chart of the light isolating switch circuit of LED fluorescent lamp embodiment of the present invention.
Embodiment
Below in conjunction with specific embodiment the present invention is specifically described.
Embodiment 1: as Fig. 1, Fig. 3, Fig. 4, shown in Figure 7, and combination type illumination and emergency LED fluorescent lamp, by power circuit, charging and emergency lighting circuit, light isolating switch circuit, LED circuit for lamp, battery pack, and support 1, fluorescent tube shell 2 constitutes.The output of power circuit is electrically connected with the input of charging and emergency lighting circuit, the control input end of light isolating switch circuit respectively, and the function merging end of charging and emergency lighting circuit is electrically connected with battery pack; The output of charging and emergency lighting circuit is electrically connected with the input of LED circuit for lamp; The circuit control output end of light isolating switch circuit is electrically connected with the input of LED circuit for lamp; Charging and emergency lighting circuit are given batteries charging, and detect civil power and whether have a power failure and control battery pack and whether give LED circuit for lamp emergency service, as emergency light source, whether light isolating switch electric circuit inspection mains supply has electricity and controls whether give LED circuit for lamp illuminalive power-supply, as lighting source.
Power circuit has the function of transformation output DC, can be the power circuit of routine.Charging and emergency lighting circuit are that conventional having charges the battery, and the circuit of general emergency light that can emergency lighting.The LED circuit for lamp also can be the LED circuit for lamp of routine.
As shown in Figure 4, described smooth isolating switch circuit is by resistance R 101, resistance R 102, resistance R 103, resistance R 104, resistance R 105, resistance R 106, resistance R 107, resistance R 108, resistance R 109, resistance R 110, rectifier bridge BT101, diode D101, capacitor C 101, capacitor C 102, capacitor C 103, Light Coupled Device U101, and triode Q101, triode Q102, triode Q103 constitute; The positive pole of the output of rectifier bridge BT101 is by the anode of the luminous tube of resistance R 110 electrical connection Light Coupled Device U101, and the negative pole of output end of rectifier bridge BT101 connects the negative terminal of the luminous tube of Light Coupled Device U101; The positive pole of voltage stabilizing didoe DZ101 connects the output head anode of rectifier bridge BT101, and the negative pole of voltage stabilizing didoe DZ101 connects the negative pole of output end of rectifier bridge BT101, and capacitor C 102 is connected in parallel with voltage stabilizing didoe DZ101; One end of capacitor C 103, resistance R 103 is electrically connected with the cold end of resistance R 110 respectively, the negative pole of output end of another termination rectifier bridge BT101 of capacitor C 103, resistance R 103; The emitter of the photosensitive tube of Light Coupled Device U101 is electrically connected with the base stage of triode Q103, and the base stage of triode Q103 is by resistance R 105 ground connection, the grounded emitter of triode Q103; The base stage of triode Q102 is connected to the collector electrode of triode Q103 by resistance R 109, and the emitter of triode Q102 is electrically connected by resistance R 108 with base stage; The base stage of triode Q101 is connected to the collector electrode of triode Q103 by resistance R 107, the emitter of triode Q101 is electrically connected by resistance R 106 with base stage, the emitter of triode Q101 is electrically connected with the emitter of triode Q102, and be electrically connected with the power output end of power circuit, the emitter of triode Q101 is electrically connected with the photosensitive tube collector electrode of Light Coupled Device U101 by resistance R 104, the collector electrode of triode Q101 collector electrode triode Q102 is electrically connected, and is connected with the negative electricity of diode D101; Wherein the emitter of triode Q101 and Q102 is as the control input end of light isolating switch circuit, and promptly A1 holds link, and the positive pole of diode D101 is as the control output end of light isolating switch circuit, and promptly C holds link in this circuit.A1 end link connects the power circuit power output end, accepts the power supply of power supply.C end link connects the input of LED circuit for lamp, and connected mode is the same with conventional connection.
The circuit working principle: during use, the input of power circuit connects civil power, and the detection input of light isolating switch circuit rectifier bridge BT101 inserts civil power by current-limiting resistance R102, decompression capacitor C101.When outside connected switch K101 connects live wire (L) civil power, through capacitor C 101 and resistance R 101 and fall pressure, resistance R 102 current limliting rectifier bridge BT101 rectifications, voltage stabilizing didoe DZ101 voltage stabilizing, capacitor C 102 filtering become low-voltage direct, resistance R 110 isolation, capacitor C 103 filtering, resistance R 103 and are added to Light Coupled Device over the ground, Light Coupled Device control triode Q101, triode Q102, triode Q103 conducting, thereby control energized circuit and LED circuit for lamp make led array get electroluminescence.When civil power did not have electricity, charging and emergency lighting circuit were given the power supply of LED circuit for lamp as routine.So just realized that illumination just often when not having electricity, reaches the function of emergency lighting.Luminous tube and photosensitive tube in the Light Coupled Device are coupled as photosignal, as the electrical isolation of signal deteching circuit and control circuit, make when using, and the method for controlling switch that directly connects city's electric control is achieved.The power circuit of this kind circuit structure directly connects civil power when using, the test side of light isolating switch circuit is electrically connected with the city by switch.The connection of its switch and conventional electric light, the connection that connects the civil power live wire of fluorescent lamp is the same, installs easy-to-understandly, simple to operate, needn't need the personnel of special technique, convenient installation during installation.Switch also is one of lamp configuration, and a key control is the same with conventional lamp, the convenient use.
The civil power connection as shown in Figure 8, the zero line input of its power supply of rectifier bridge BT101 also can directly connect the zero line input of power circuit.Entire product is when being electrically connected with the city like this, have only three inputs, two inputs of power circuit connect live wire, the zero line of civil power respectively, remaining is the live wire input of light isolating switch circuit, it is the test side, directly by the switch line of starting to exchange fire, easy to connect, quick with civil power can be as the connection of conventional lamp.
Embodiment 2: the difference of present embodiment and embodiment 1 is, as Fig. 2, shown in Figure 5, described power circuit is a switching power circuit, switch power supply route resistance R 201, resistance R 202, resistance R 203, resistance R 204, resistance R 205, resistance R 206, resistance R 207, resistance R 208, resistance R 209, resistance R 210, capacitor C 201, capacitor C 202, capacitor C 203, capacitor C 204, capacitor C 205, capacitor C 206, capacitor C 207, capacitor C 208, capacitor C 209, diode D201, diode D202, diode D203, diode D204, rectifier bridge BT201, inductance L 201, triode Q201, triode Q202, metal-oxide-semiconductor field effect transistor Q203, Light Coupled Device U201, voltage reference device U202, switch energy storage transformer B201 constitutes; Be connected to capacitor C 203 between the output head anode of rectifier bridge BT201 and negative pole of output end; The output head anode of rectifier bridge BT201 connects the positive pole of diode D201 by resistance R 207, capacitor C 205 is connected in parallel with resistance R 207, the output head anode of rectifier bridge BT201 connects an end of the input coil of switch energy storage transformer B201, and the negative pole of diode D201 connects the other end of this input coil; The output head anode of rectifier bridge BT201 connects the emitter of triode Q201 by resistance R 201, be electrically connected by resistance R 202 between the base stage of triode Q201 and emitter, the collector electrode of triode Q201 is electrically connected with the base stage of triode Q202, the collector electrode of triode Q202 is electrically connected with the base stage of triode Q201, and the emitter of triode Q202 connects the negative pole of output end of rectifier bridge BT201; The emitter of triode Q201 connects the negative pole of output end of rectifier bridge BT201 by resistance R 204, the emitter of triode Q201 connects the grid of metal-oxide-semiconductor field effect transistor Q203, the drain electrode of metal-oxide-semiconductor field effect transistor Q203 connects the negative pole of diode D201, the source electrode of metal-oxide-semiconductor field effect transistor Q203 connects the negative pole of output end of rectifier bridge BT201 by resistance R 206, and the source electrode of metal-oxide-semiconductor field effect transistor Q203 connects the base stage of triode Q202 by resistance R 205; The emitter of triode Q201 is by a pin that connects capacitor C 204 of resistance R 203, another pin of capacitor C 204 connects the positive pole of diode D202, the negative pole of diode D202 connects the negative pole of output end of rectifier bridge BT201, the positive pole of diode D202 connects an end of second output winding of switch energy storage transformer B201, another termination negative pole of diode D202, the other end of this second output winding connects the collector electrode of Light Coupled Device U201 photosensitive tube, be electrically connected with capacitor C 206 between the negative pole of output end of Light Coupled Device U201 collector electrode and BT201, the emitter of the photosensitive tube of Light Coupled Device U201 is electrically connected with the base stage of triode Q202; One end of the 3rd output winding of switch energy storage transformer B201 connects the negative pole of diode D203, and the other end ground connection of the 3rd output winding is electrically connected by capacitor C 208 between the other end of the positive pole of diode D203 and the 3rd output winding; One end of the 4th output winding of switch energy storage transformer B201 connects the negative pole of diode D204, the other end of the 4th output winding is connected with the positive pole of diode D203, and the positive pole of diode D204 is electrically connected by capacitor C 209 with the positive interpolar of diode D203; The positive pole of diode D203 is received the anode of the luminous tube of Light Coupled Device U201 by resistance R 208, the positive pole of diode D203 is connected to the sampling end of voltage reference device U202 by resistance R 209, be electrically connected with capacitor C 207 between the sampling end of the control end of voltage reference device U202 and voltage reference device U202, the sampling end of voltage reference device U202 is by resistance R 210 ground connection, the earth terminal ground connection of voltage reference device U202, the control end of voltage reference device U202 is electrically connected with the negative terminal of the luminous tube of Light Coupled Device U201.Diode D204 can be used as a power input, and diode D203 also can be used as a power output end.In this switching power circuit, the A1 end of the output terminals A termination light isolating switch circuit of its power supply, the output B of its power supply end can connect the input of charging and emergency lighting circuit, and other connection that adopts conventional power supply and charging and emergency lighting circuit, light isolating switch circuit are connected.All the other are with embodiment 2.
The Switching Power Supply of routine that can certainly adopt other is as power circuit.
Embodiment 3: the characteristics of present embodiment are, as shown in Figure 6, described charging and emergency lighting circuit are that multifunctional control circuit is by resistance R 301, resistance R 302, resistance R 303, resistance R 304, resistance R 305, resistance R 306, resistance R 307, resistance R 308, resistance R 309, resistance R 310, resistance R 311, resistance R 312, resistance R 313, resistance R 314, resistance R 315, resistance R 316, resistance R 317, diode D301, diode D302, diode DZ301, and triode Q301, triode Q302, triode Q303, triode Q304, triode Q305, triode Q306, triode Q307, triode Q308 constitutes.
Resistance R 301 connects the negative pole of diode D301 by resistance R 302, the series connection point that resistance R 301 and resistance are 302 is electrically connected the emitter of triode Q301, the collector electrode of triode Q301 connects the negative pole of diode D301, join resistance R 303, resistance R 304 ground connection of the emitter of triode Q301 between the emitter of triode Q301 and base stage by connecting by resistance 305; The base stage of triode Q301 connects the collector electrode of triode Q302 by resistance R 306, the grounded emitter of triode, the collector electrode of triode Q301 connects the base stage of triode Q302 by resistance R 307, the base stage of triode Q302 connects the collector electrode of triode Q303, the grounded emitter of triode Q303, the base stage of triode Q303 is by resistance R 309 ground connection, the base stage of triode Q303 connects the positive pole of diode D302 by resistance R 308, the negative pole of diode D302 links to each other with the negative pole of diode DZ301, and the positive pole of diode DZ301 links to each other with the positive pole of diode D301; Resistance R 303 links to each other with the base stage of triode Q304 with series connection point between the resistance R 304, the grounded emitter of triode Q304, the collector electrode of triode Q304 connects the negative pole of diode D302 by resistance R 310, the collector electrode of triode Q304 is by resistance R 311 ground connection, the base stage of the collector connecting transistor Q305 of triode Q304, the emitter of triode Q305 is by resistance R 313 ground connection, and the emitter of triode Q305 is connected with the base stage of triode Q306, the grounded emitter of triode Q306; The collector electrode of triode Q305 is connected with the emitter of triode Q307 by resistance R 312, the emitter of triode Q307 connects the base stage of triode Q307 by resistance R 314, the base stage of triode Q307 is connected with the collector electrode of triode Q306 by resistance R 315, the emitter of triode Q307 links to each other with the emitter of triode Q308, the emitter of triode Q308 is by the base stage of resistance R 316 connection triode Q308, and the base stage of triode Q308 connects the collector electrode of triode Q306 by resistance R 317; The join input/output terminal and the battery that form battery pack of the emitter of the positive pole of diode D301 and triode Q307 joins, the collector electrode of the collector electrode of triode Q307 and triode Q308 joins, the input that the collector electrode of triode Q307 forms the output of LED circuit for lamp and LED circuit for lamp joins, and the input that resistance R 301 places form charging and emergency lighting circuit is connected with the B point end of switching power circuit.All the other are with embodiment 1 or embodiment 2.
Comprise intelligent constant current and trickle charge commutation circuit in this multifunctional control circuit, automatic switchover formula charging locking and current failure emergency control circuit.
Intelligence constant current and trickle charge commutation circuit, its operation principle is:
When energy content of battery consume makes cell voltage drop to a certain degree, will charge the battery.Switching Power Supply is through resistance R 301, resistance R 302 diode D301 are added on the positive pole of battery, this moment is because cell voltage is lower than diode DZ301, diode D301, the conducting threshold values of diode D302, diode DZ301, diode D301, not conducting of diode D302, resistance R 309 no-voltages, triode Q303 ends, the base stage that the electric current of the resistance R of flowing through 307 is added to triode Q302 makes its saturation conduction, thereby make also saturation conduction of triode Q301, the voltage of final Switching Power Supply is added to anode through resistance R 301 triode Q301 diode D301, battery is in normal charging condition, and charging current is set by resistance R 301.When battery reaches fully charged state, the rising of cell voltage makes diode DZ301, diode D301, diode D302 conducting, electric current is added to triode Q303 base stage through diode DZ301, diode D301, diode D302 resistance R 308, make triode Q303 saturation conduction, thereby triode Q302 is ended, triode Q301 also becomes from saturation conduction and ends, and charging current can only be from resistance R 301, resistance R 302, diode D301 to battery charge.Because resistance R 302 resistances are bigger, the charge circuit electric current produces big voltage drop on resistance R 302, and charging current reduces, and battery automatically switches to trickle charge by charging normal.Suitably the resistance of selection resistance R 302 is set the electric current of trickle charge.When exactly because battery charge enters saturation condition, circuit can be in time becomes trickle charge by the saturation characteristic of battery by charging normal, even if long-time charging can not damage battery yet, guaranteed that battery performance in long-time running is constant, thereby effectively guaranteed the useful life of this product.
Automatic switchover formula charging locking is made of resistance R 303, resistance R 304, resistance R 310, resistance R 311, resistance R 312, resistance R 313, resistance R 314, resistance R 315, resistance R 316, resistance R 317 capacitor C 302, diode DZ301, triode Q304, triode Q305, triode Q306, triode Q307, triode Q308 with the current failure emergency control circuit.See Fig. 6, this circuit also includes the under-voltage automatic locking circuit of battery, and this circuit implements to dam locking to the battery that is operated in under-voltage condition, thereby makes battery from damage.
Automatic locking circuit operation principle that battery is under-voltage:
Work as battery discharge, voltage is during near under-voltage condition, diode DZ301 is ended by the conducting trend, the voltage of resistance R 301 is continuous gradually to descend, triode Q305, triode Q306 are gradually ended by saturation conduction, triode Q307, triode Q308 are also gradually ended by saturation conduction, the quick deepening of the brightness of LED luminous tube array.When battery reached under-voltage condition, diode DZ301 ended fully, thereby triode Q305, triode Q306, triode Q307, triode Q308 are ended, and the LED luminous tube array extinguishes.This circuit has effectively been protected battery from damage, helps the normal operation of battery in long-term work, guaranteed this product can be for a long time reliably, stably work.
The operation principle of automatic switchover formula charging locking and current failure emergency control circuit:
When civil power, Switching Power Supply is charged to battery, through resistance R 303 base stage that electric current adds triode Q304 is made its saturation conduction simultaneously, triode Q305, triode Q306, triode Q307, triode Q308 end, and battery is not powered to the LED luminous tube array.When mains failure, the output of switching power circuit no-voltage, resistance R 303 no currents, triode Q304 ends from saturated becoming, triode Q305, triode Q306, triode Q307, triode Q308 become saturation conduction from ending, the LED luminous tube array obtains the power supply of battery and luminous, and circuit enters the emergency lighting state.
Embodiment 4: as shown in Figure 9, the difference of present embodiment is: described smooth isolating switch circuit is by reduction voltage circuit, Light Coupled Device, Drive and Control Circuit is formed, the input of reduction voltage circuit is electrically connected with civil power as the test side of light isolating switch circuit, the output of reduction voltage circuit is electrically connected with the input of Light Coupled Device luminous tube, luminous tube and photosensitive tube in the Light Coupled Device are coupled as photosignal, while is as the electrical isolation of signal deteching circuit and Drive and Control Circuit, the photosensitive tube output of Light Coupled Device is electrically connected with the input of Drive and Control Circuit, and the output of Drive and Control Circuit is as the control output of isolating switch circuit.Reduction voltage circuit can be the reduction voltage circuit of routine.As, condenser type step-down, transformer type step-down or the like.Reduction voltage circuit the civil power step-down after the input of luminous tube of input Light Coupled Device.
Zero line input in the input of described reduction voltage circuit is electrically connected with the civil power zero line, and perhaps the zero line input in the input of reduction voltage circuit is electrically connected with the civil power zero line input of power circuit; Live wire input in the input of reduction voltage circuit is connected with the civil power live wire by switch.All the other are with embodiment 1.
Housing of the present invention can be made into the support wall-hung type, embeds the profile of ceiling type and various special requirements, can satisfy the lamp decoration matching requirements of various indoor environments.
LED fluorescent lamp of the present invention makes the LED daylight tool emergency function of illumination commonly used, and is stable and reliable for performance, energy-efficient, and low cost of manufacture, can be used for various clubs such as office, applied range.Its installation steps, specification requirement are very simple.
Claims (9)
1. combination type illumination and emergency LED fluorescent lamp is characterized in that: comprise power circuit, charging and emergency lighting circuit, light isolating switch circuit, LED circuit for lamp, battery pack; The output of power circuit is electrically connected with the input of charging and emergency lighting circuit, the control input end of light isolating switch circuit respectively, and the function merging end of charging and emergency lighting circuit is electrically connected with battery pack; The output of charging and emergency lighting circuit is electrically connected with the input of LED circuit for lamp; The control output end of light isolating switch circuit is electrically connected with the input of LED circuit for lamp; Charging and emergency lighting circuit are given batteries charging, and detect civil power and whether electricity is arranged and control battery pack and carry out emergency service whether for the LED circuit for lamp, whether whether mains supply is detected in the test side of light isolating switch circuit has electricity and controls and carry out illuminalive power-supply for the LED circuit for lamp.
2. combination type illumination according to claim 1 and emergency LED fluorescent lamp, it is characterized in that: the power input of described power circuit connects civil power, and light isolating switch electric circuit inspection end is electrically connected with the city by switch.
3. combination type illumination according to claim 1 and emergency LED fluorescent lamp, it is characterized in that: described smooth isolating switch circuit is by reduction voltage circuit, Light Coupled Device, Drive and Control Circuit is formed, the input of reduction voltage circuit is electrically connected with civil power as the test side of light isolating switch circuit, the output of reduction voltage circuit is electrically connected with the input of Light Coupled Device luminous tube, luminous tube and photosensitive tube in the Light Coupled Device are coupled as photosignal, while is as the electrical isolation of signal deteching circuit and Drive and Control Circuit, the photosensitive tube output of Light Coupled Device is electrically connected with the input of Drive and Control Circuit, and the output of Drive and Control Circuit is as the control output of isolating switch circuit.
4. combination type illumination according to claim 3 and emergency LED fluorescent lamp, it is characterized in that: the zero line input in the input of described reduction voltage circuit is electrically connected with the civil power zero line, and perhaps the zero line input in the input of reduction voltage circuit is electrically connected with the civil power zero line input of power circuit; Live wire input in the input of reduction voltage circuit is connected with the civil power live wire by switch.
5. combination type illumination according to claim 1 and emergency LED fluorescent lamp, it is characterized in that: described smooth isolating switch circuit is by resistance R 103, resistance R 104, resistance R 105, resistance R 106, resistance R 107, resistance R 108, resistance R 109, resistance R 110, rectifier bridge BT101, diode D101, voltage stabilizing didoe DZ101, Light Coupled Device U101, and triode Q101, triode Q102, triode Q103 constitute; The positive pole of the output of rectifier bridge BT101 is by the anode of the luminous tube of resistance R 110 electrical connection Light Coupled Device U101, and the negative pole of output end of rectifier bridge BT101 connects the negative terminal of the luminous tube of Light Coupled Device U101; The positive pole of voltage stabilizing didoe DZ101 connects the output head anode of rectifier bridge BT101, and the negative pole of voltage stabilizing didoe DZ101 connects the negative pole of output end of rectifier bridge BT101, and capacitor C 102 is connected in parallel with voltage stabilizing didoe DZ101; One end of capacitor C 103, resistance R 103 is electrically connected with the cold end of resistance R 110 respectively, the negative pole of output end of another termination rectifier bridge BT101 of capacitor C 103, resistance R 103; The emitter of the photosensitive tube of Light Coupled Device U101 is electrically connected with the base stage of triode Q103, and the base stage of triode Q103 is by resistance R 105 ground connection, the grounded emitter of triode Q103; The base stage of triode Q102 is connected to the collector electrode of triode Q103 by resistance R 109, and the emitter of triode Q102 is electrically connected by resistance R 108 with base stage; The base stage of triode Q101 is connected to the collector electrode of triode Q103 by resistance R 107, the emitter of triode Q101 is electrically connected by resistance R 106 with base stage, the emitter of triode Q101 is electrically connected with the emitter of triode Q102, and be electrically connected with an output of power circuit, the emitter of triode Q101 is electrically connected with the photosensitive tube collector electrode of Light Coupled Device U101 by resistance R 104, triode Q101 collector electrode, be electrically connected with the collector electrode of triode Q102, and be connected with the negative electricity of diode D101, wherein the emitter of triode Q101 and Q102 is as the control input end of light isolating switch circuit, and the positive pole of diode D101 is as the control output end of light isolating switch circuit.
6. combination type illumination according to claim 5 and emergency LED fluorescent lamp, it is characterized in that: the live wire input of described its power supply of rectifier bridge BT101 is directly connected with switch by capacitor C 101; Perhaps, the live wire input of described its power supply of rectifier bridge BT101 is connected with switch by resistance R 102, capacitor C 101, connects the civil power live wire, bleeder resistance R101 and C101 two parallel connections.
7. combination type illumination according to claim 6 and emergency LED fluorescent lamp is characterized in that: the zero line of described its power supply of rectifier bridge BT101 is imported termination civil power zero line, or connects the zero line input of power circuit.
8. combination type illumination according to claim 1 and emergency LED fluorescent lamp, it is characterized in that: described power circuit is a switching power circuit, switch power supply route resistance R 201, resistance R 202, resistance R 203, resistance R 204, resistance R 205, resistance R 206, resistance R 207, resistance R 208, resistance R 209, resistance R 210, capacitor C 203, capacitor C 204, capacitor C 205, capacitor C 206, capacitor C 207, capacitor C 208, capacitor C 209, diode D201, diode D202, diode D203, diode D204, rectifier bridge BT201, triode Q201, triode Q202, metal-oxide-semiconductor field effect transistor Q203, Light Coupled Device U201, voltage reference device U202, switch energy storage transformer B201 constitutes; Be connected to capacitor C 203 between the output head anode of rectifier bridge BT201 and negative pole of output end; The output head anode of rectifier bridge BT201 connects the positive pole of diode D201 by resistance R 207, capacitor C 205 is connected in parallel with resistance R 207, the output head anode of rectifier bridge BT201 connects an end of the input coil of switch energy storage transformer B201, and the positive pole of diode D201 connects the other end of this input coil; The output head anode of rectifier bridge BT201 connects the emitter of triode Q201 by resistance R 201, be electrically connected by resistance R 202 between the base stage of triode Q201 and emitter, the collector electrode of triode Q201 is electrically connected with the base stage of triode Q202, the collector electrode of triode Q202 is electrically connected with the base stage of triode Q201, and the emitter of triode Q202 connects the negative pole of output end of rectifier bridge BT201; The emitter of triode Q201 connects the negative pole of output end of BT201 by resistance R 204, the emitter of triode Q201 connects the grid of metal-oxide-semiconductor field effect transistor Q203, the drain electrode of metal-oxide-semiconductor field effect transistor Q203 connects the negative pole of diode D201, the source electrode of metal-oxide-semiconductor field effect transistor Q203 connects the negative pole of output end of BT201 by resistance R 206, and the source electrode of metal-oxide-semiconductor field effect transistor Q203 connects the base stage of triode Q202 by resistance R 205; The emitter of triode Q201 connects a pin of capacitor C 204 by resistance R 203, another pin of capacitor C 04 connects the positive pole of diode D202, the negative pole of diode D202 connects the negative pole of output end of BT201, the positive pole of diode D202 connects an end of second output winding of switch energy storage transformer B201, the other end of this second output winding connects the collector electrode of Light Coupled Device U201 phototriode, be electrically connected with capacitor C 206 between the negative pole of output end of Light Coupled Device U201 collector electrode and BT201, the emitter of the phototriode of Light Coupled Device U201 is electrically connected with the base stage of triode Q202; One end of the 3rd output winding of switch energy storage transformer B201 connects the negative pole of diode D203, and the other end ground connection of the 3rd output winding is electrically connected by capacitor C 208 between the other end of the positive pole of diode D203 and the 3rd output winding; One end of the 4th output winding of switch energy storage transformer B201 connects the negative pole of diode D204, the other end of the 4th output winding is connected with the positive pole of diode D203, and the positive pole of diode D204 is electrically connected by capacitor C 209 with the positive interpolar of diode D203; The positive pole of diode D203 is received the positive pole of the luminous tube of Light Coupled Device U201 by resistance R 208, the positive pole of diode D203 is connected to the sampling end of voltage reference device U202 by resistance R 209, be electrically connected with capacitor C 207 between the sampling end of the control end of voltage reference device U202 and voltage reference device U202, the sampling end of voltage reference device U202 is by resistance R 210 ground connection, the earth terminal ground connection of voltage reference device U202, the control end of voltage reference device U202 is connected with the negative electricity of the luminous tube of Light Coupled Device U201.
9. combination type illumination according to claim 1 and emergency LED fluorescent lamp, it is characterized in that: described charging and emergency lighting circuit are that multifunctional control circuit is by resistance R 301, resistance R 302, resistance R 303, resistance R 304, resistance R 305, resistance R 306, resistance R 307, resistance R 308, resistance R 309, resistance R 310, resistance R 311, resistance R 312, resistance R 313, resistance R 314, resistance R 315, resistance R 316, resistance R 317, diode D301, diode D302, diode DZ301, and triode Q301, triode Q302, triode Q303, triode Q304, triode Q305, triode Q306, triode Q307, triode Q308 constitutes; Resistance R 301 connects the negative pole of diode D301 by resistance R 302, the series connection point that resistance R 301 and resistance are 302 is electrically connected the emitter of triode Q301, the collector electrode of triode Q301 connects the negative pole of diode D301, join resistance R 303, resistance R 304 ground connection of the emitter of triode Q301 between the emitter of triode Q301 and base stage by connecting by resistance 305; The base stage of triode Q301 connects the collector electrode of triode Q302 by resistance R 306, the grounded emitter of triode, the collector electrode of triode Q301 connects the base stage of triode Q302 by resistance R 307, the base stage of triode Q302 connects the collector electrode of triode Q303, the grounded emitter of triode Q303, the base stage of triode Q303 is by resistance R 309 ground connection, the base stage of triode Q303 connects the positive pole of diode D302 by resistance R 308, the negative pole of diode D302 links to each other with the negative pole of diode DZ301, and the positive pole of diode DZ301 links to each other with the positive pole of diode D301; Resistance R 303 links to each other with the base stage of triode Q304 with series connection point between the resistance R 304, the grounded emitter of triode Q304, the collector electrode of triode Q304 connects the negative pole of diode D302 by resistance R 310, the collector electrode of triode Q304 is by resistance R 311 ground connection, the base stage of the collector connecting transistor Q305 of triode Q304, the emitter of triode Q305 is by resistance R 313 ground connection, and the emitter of triode Q305 is connected with the base stage of triode Q306, the grounded emitter of triode Q306; The collector electrode of triode Q305 is connected with the emitter of triode Q307 by resistance R 312, the emitter of triode Q307 connects the base stage of triode Q307 by resistance R 314, the base stage of triode Q307 is connected with the collector electrode of triode Q306 by resistance R 315, the emitter of triode Q307 links to each other with the emitter of triode Q308, the emitter of triode Q308 is by the base stage of resistance R 316 connection triode Q308, and the base stage of triode Q308 connects the collector electrode of triode Q306 by resistance R 317; The emitter of the positive pole of diode D301 and triode Q307 and Q308 joins and forms the function merging end and battery joins, the collector electrode of the collector electrode of triode Q307 and triode Q308 joins, and the input that the collector electrode of triode Q307 forms the output of LED circuit for lamp and LED circuit for lamp joins.
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| CN201010588620.3A CN102176797B (en) | 2010-12-06 | 2010-12-06 | Merged illumination and emergent light-emitting diode (LED) fluorescent lamp |
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